.video_main .aside{margin-right: 0; margin-left: 3.5%;}
.video_main .c_right_box .web_th{margin-bottom: 20px;}

/* listVideo */
.listVideo_ul{padding: 0 0 0; flex-wrap: wrap;}
.listVideo_ul li:nth-child(n+4){margin-top: 24px;}
.video_item{width: calc((100% - 48px) / 3); margin-right: 24px;}
.video_item:nth-child(3n){margin-right: 0;}
.video_item .pic{padding-bottom: 72%;}
.video_item .pic::before{position: absolute; left: 0; top: 0; width: 100%; height: 100%; content: ''; background: rgba(0, 0, 0, 0.4); z-index: 1; opacity: 0;}
.video_info{padding-top: 15px;}
.video_item .item_icon{display: block; width: 70px; height: 70px; position: absolute; left: 50%; top: 50%; margin: -35px 0 0 -35px; border-radius: 50%;/*  background: #001651; background-repeat: no-repeat; background-position: center; background-image: url(../img/play.png); opacity: 1; background-size: 18px auto; */ z-index: 2; opacity: 0;}
.video_item .item_icon::after{display: block; position: relative; width: 100%; height: 100%; content: ''; background: var(--commonColor); background-repeat: no-repeat; background-position: center; background-image: url(../img/videobtn.png); opacity: 1; background-size: 50px auto; z-index: 2; border-radius: 50%;}
.video_item .item_icon::before{position: absolute; width: 100%; height: 100%; left: 0; top: 0; border-radius: 50%; content: ''; background: rgba(var(--comColorRgb), 0.6); z-index: 1;}

.video_item .title{font-size: 20px; line-height: 1.4; overflow: hidden; text-transform: capitalize; font-family: 'DIN Alternate-Bold';}
.video_item .brief{color: #666; line-height: 1.75; margin: 20px 0;}
.video_item:hover .pic::before{opacity: 1;}
.video_item:hover .title{color: var(--commonColor);}
.video_item:hover .item_icon{opacity: 1;}
.video_item:hover .item_icon::before{animation: pulsate 2s infinite;}

@-webkit-keyframes pulsate {
    from {
        opacity: 1;
        transform: scale(1)
    }

    to {
        opacity: 0;
        transform: scale(1.4)
    }
}

@keyframes pulsate {
    from {
        opacity: 1;
        transform: scale(1)
    }

    to {
        opacity: 0;
        transform: scale(1.4)
    }
}



@media only screen and (max-width: 1350px) {
	.video_item .item_icon{margin: -30px 0 0 -30px; width: 60px; height: 60px;}
}
@media only screen and (max-width: 980px) {
	.listVideo_ul{padding-top: 0;}
	.listVideo_ul li{width: 100%; margin: 20px 0 0;}
	.listVideo_ul li:first-child{margin-top: 0;}
	.video_item{flex-direction: column;}
	.video_pic_item{width: 100%;}
    .video_item .pic::before{opacity: 1;}
	.video_item .title{height: auto;}
	.video_item .item_icon{margin: -30px 0 0 -30px; opacity: 1;}
	.video_info{width: 100%; padding: 12px 0 5px;}
	.video_item .brief{margin: 10px 0;}
}


/* innerVideo */
.video_div{overflow: hidden; margin-top: 20px;}
.video_div lite-youtube{display: block;}
.sub_th{margin-top: 20px;}

@media only screen and (max-width: 980px) {
	
}